<template>
    <div class="app-container">
      <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
        <el-form-item label="歌曲名称" prop="songsName">
          <el-input
            v-model="queryParams.songsName"
            placeholder="请输入歌曲名称"
            clearable
            @keyup.enter.native="handleQuery"
          />
        </el-form-item>
        <el-form-item>
          <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
        </el-form-item>
      </el-form>
  
      <el-row :gutter="10" class="mb8">
        <el-col :span="1.5">
          <el-button
            type="primary"
            plain
            icon="el-icon-plus"
            size="mini"
            @click="handleAdd"
            v-hasPermi="['MusicSongs:songs:add']"
          >新增</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="success"
            plain
            icon="el-icon-edit"
            size="mini"
            :disabled="single"
            @click="handleUpdate"
            v-hasPermi="['MusicSongs:songs:edit']"
          >修改</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="danger"
            plain
            icon="el-icon-delete"
            size="mini"
            :disabled="multiple"
            @click="handleDelete"
            v-hasPermi="['MusicSongs:songs:remove']"
          >删除</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="warning"
            plain
            icon="el-icon-download"
            size="mini"
            @click="handleExport"
            v-hasPermi="['MusicSongs:songs:export']"
          >导出</el-button>
        </el-col>
        <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
      </el-row>
  
      <el-table v-loading="loading" :data="songsList" @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55" align="center" />
        <el-table-column label="序号" align="center" prop="musicSongsId" />
        <el-table-column label="歌曲信息" align="center" prop="songsName" />
        <el-table-column label="歌曲页数" align="center" prop="pageNum" />
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="text"
              icon="el-icon-edit"
              @click="toPreview(scope.row)"
            >简谱预览</el-button>
            <el-button
              size="mini"
              type="text"
              icon="el-icon-edit"
              @click="handleUpdate(scope.row)"
              v-hasPermi="['MusicSongs:songs:edit']"
            >修改</el-button>
            <el-button
              size="mini"
              type="text"
              icon="el-icon-delete"
              @click="handleDelete(scope.row)"
              v-hasPermi="['MusicSongs:songs:remove']"
            >删除</el-button>
          </template>
        </el-table-column>
      </el-table>
      
      <pagination
        v-show="total>0"
        :total="total"
        :page.sync="queryParams.pageNum"
        :limit.sync="queryParams.pageSize"
        @pagination="getList"
      />
  
      <!-- 添加或修改歌曲信息对话框 -->
      <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
        <el-form ref="form" :model="form" :rules="rules" label-width="80px">
          <el-form-item label="歌曲信息" prop="songsName">
            <el-input v-model="form.songsName" placeholder="请输入歌曲信息" />
          </el-form-item>
          <el-form-item label="歌曲页数" prop="pageNum">
            <el-input v-model="form.pageNum" placeholder="请输入歌曲页数" />
          </el-form-item>
          <el-divider content-position="center">歌曲详情</el-divider>
          <el-row :gutter="10" class="mb8">
            <el-col :span="1.5">
              <el-button type="primary" icon="el-icon-plus" size="mini" @click="handleAddMusicSongpages">添加</el-button>
            </el-col>
            <el-col :span="1.5">
              <el-button type="danger" icon="el-icon-delete" size="mini" @click="handleDeleteMusicSongpages">删除</el-button>
            </el-col>
          </el-row>
          <el-table :data="musicSongpagesList" :row-class-name="rowMusicSongpagesIndex" @selection-change="handleMusicSongpagesSelectionChange" ref="musicSongpages">
            <el-table-column type="selection" width="50" align="center" />
            <el-table-column label="序号" align="center" prop="index" width="50" v-if="false"/>
            <el-table-column label="请输入图片" prop="pageUrl" >
              <template slot-scope="scope">
                <image-upload 
                v-model="scope.row.pageUrl"  
                :musicSongsId="scope.row.musicSongsId" 
                :limit="1"
                @on-success="handleUploadSuccess(scope.row.index)" />
              </template>
            </el-table-column>
          </el-table>
        </el-form>
        <div slot="footer" class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </el-dialog>
    </div>
  </template>
  
  <script>
  import { listSongs, getSongs, delSongs, addSongs, updateSongs } from "@/api/MusicSongs/songs";
  import ImageUpload from "@/components/ImageUpload";
import { getUpload } from "../../../api/MusicSongs/songs";
  export default {
    name: "Songs",
    data() {
      return {
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        // 子表选中数据
        checkedMusicSongpages: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        // 歌曲信息表格数据
        songsList: [],
        // test表格数据
        musicSongpagesList: [],
        fileList:[],
        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        // 查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 10,
          songsName: null,
          pageNum: null,
        },
        // 歌谱id
        musicSongsId:null,
        index:null,
        // 表单参数
        form: {},
        // 表单校验
        rules: {
        },
        //uploadedPath:null
      };
    },
    created() {
      this.getList();
    },
    methods: {
      
    /* getFileName(fileName) {  
      this.form.pageUrl = fileName; 
    },  
    handleUploadSuccess(row) {  
      getUpload(flie).then(response=>{
        console.log(response);
      })
      }, */
      /** 查询歌曲信息列表 */
      getList() {
        this.loading = true;
        listSongs(this.queryParams).then(response => {
          // this.musicSongsId = response.rows.musicSongsId
          this.songsList = response.rows;
          this.total = response.total;
          this.loading = false;
        // console.log(this.songsList);
        });
      },
      // 取消按钮
      cancel() {
        this.open = false;
        this.reset();
      },
      // 表单重置
      reset() {
        this.form = {
          musicSongsId: null,
          songsName: null,
          pageNum: null,
        };
        // this.musicSongpagesList = [];
        this.resetForm("form");
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1;
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.musicSongsId)
        this.single = selection.length!==1
        this.multiple = !selection.length
      },
      /** 新增按钮操作 */
      handleAdd() {
        this.reset();
        this.musicSongpagesList = []
        this.open = true;
        this.title = "添加歌曲信息";
      },
      /** 修改按钮操作 */
      handleUpdate(row) {
        this.reset();
        const musicSongsId = row.musicSongsId || this.ids
        getSongs(musicSongsId).then(response => {
          this.form = response.data;
          this.musicSongpagesList = response.data.musicSongpagesList;
          /* console.log(response); */
          this.open = true;
          this.title = "修改歌曲信息";
        });
      },
      /** 提交按钮 */
      submitForm() {
        this.$refs["form"].validate(valid => {
          if (valid) {
             // this.form.musicSongpagesList = this.uploadList.map(item => item.url);
            this.form.musicSongpagesList = this.musicSongpagesList;
            if (this.form.musicSongsId != null) {
              updateSongs(this.form).then(response => {
                this.$modal.msgSuccess("修改成功");
                this.open = false;
                this.getList();
                
              });
            } else {
              // this.form.musicSongpagesList  = this.uploadedPath
              // this.form.musicSongpagesList = this.musicSongpagesList;
              addSongs(this.form).then(response => {
                this.$modal.msgSuccess("新增成功");
                console.log(this.uploadedPath);
                this.open = false;
                this.getList();
              });
            }
          }
        });
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        const musicSongsIds = row.musicSongsId || this.ids;
        this.$modal.confirm('是否确认删除歌曲信息编号为"' + musicSongsIds + '"的数据项？').then(function() {
          return delSongs(musicSongsIds);
        }).then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        }).catch(() => {});
      },
      /** test序号 */
      rowMusicSongpagesIndex({ row, rowIndex }) {
        row.index = rowIndex + 1;
      },
      /** test添加按钮操作 */
      handleAddMusicSongpages() {
        let obj = {};
        obj.index = ''
        obj.pageUrl = "";
        this.musicSongpagesList.push(obj);
        console.log(this.musicSongpagesList);
        console.log(obj);
       // console.log(handleUploadSuccess(flie));
      },
      /** test删除按钮操作 */
      handleDeleteMusicSongpages() {
        if (this.checkedMusicSongpages.length == 0) {
          this.$modal.msgError("请先选择要删除的test数据");
        } else {
          const musicSongpagesList = this.musicSongpagesList;
          const checkedMusicSongpages = this.checkedMusicSongpages;
          this.musicSongpagesList = musicSongpagesList.filter(function(item) {
            return checkedMusicSongpages.indexOf(item.index) == -1
          });
        }
      },
      /** 复选框选中数据 */
      handleMusicSongpagesSelectionChange(selection) {
        this.checkedMusicSongpages = selection.map(item => item.index)
      },
      /** 导出按钮操作 */
      handleExport() {
        this.download('MusicSongs/songs/export', {
          ...this.queryParams
        }, `songs_${new Date().getTime()}.xlsx`)
      },
      /* 简谱预览按钮操作 */
      toPreview(row){
        this.musicSongsId = row.musicSongsId
          //const url =`/music/songs-data?row=${encodeURIComponent(JSON.stringify(row))}`
          this.$router.push({
            path: "/music/songs-data",
            query: {
              musicSongsId: this.musicSongsId
            }
          })
          // window.open(url,'_blank')
      }
    }
  };
  </script>